#include <stdio.h>
int factorial (int n){
int resultado;
if (n < 0)
resultado= 0;
else
if (n == 0)
resultado= 1;
else{
resultado=1;
for (int i = 1; i <= n; i++)
resultado *=i;
}
return resultado;
}
int main()
{
int r1 = factorial(-8);
printf("Factorial de -8: %d\n", r1);
int r2 = factorial(0);
printf("Factorial de 0: %d\n", r2);
int r3 = factorial(1);
printf("Factorial de 1: %d\n", r3);
int r4 = factorial(5);
printf("Factorial de 5: %d\n", r4);
return 0;
}
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